Decorative grille for a volatile substance dispenser unit



FIG. 1 is a front, left side and top perspective view of a decorative grille for a volatile substance dispenser unit showing my new design; and,

FIG. 2 is a front elevational view thereof, the rear being substantially a mirror image of that shown.

The broken line showing of a volatile substance dispenser unit in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a decorative grille for a volatile substance dispenser unit, as shown and described. 